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Differential D2122

Add time multiplier property to cloth simulation
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Authored by Luca Rood (LucaRood) on Jul 24 2016, 9:59 AM.

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Subscribers

Campbell Barton (campbellbarton)

Lukas Tönne (lukastoenne)

Details

Reviewers

Lukas Tönne (lukastoenne)
Campbell Barton (campbellbarton)

Summary

This diff is meant to be applied after D2121 and next comes D1903.

This adds a "Time Multiplier" property to the cloth settings, which allows the "real world speed" of the cloth to be changed.

This setting can also be animated, to create a "time warp" effect, as demonstrated here (couldn't figure out how to embed):
https://vimeo.com/lucarood/cloth-animated-time-multiplier

Here is the UI with the added property:

Diff Detail

Repository: rB Blender

Event Timeline

Luca Rood (LucaRood) updated this revision to Diff 7111.Jul 24 2016, 9:59 AM

Luca Rood (LucaRood) retitled this revision from to Add time multiplier property to cloth simulation.

Luca Rood (LucaRood) updated this object.

Luca Rood (LucaRood) set the repository for this revision to rB Blender.

Luca Rood (LucaRood) added a project: Physics.

Luca Rood (LucaRood) mentioned this in D1903: Dynamic base mesh for cloth simulation.Jul 24 2016, 10:06 AM

Luca Rood (LucaRood) mentioned this in D2121: Cloth UI clean-up and quality hard limit removal.

Luca Rood (LucaRood) updated this object.

Generally seems fine, versioning update is needed though.

source/blender/blenkernel/intern/cloth.c
99	This will need to be set for existing files. See: `blo_do_versions_270`.

This revision now requires changes to proceed.Jul 25 2016, 11:30 PM

Added the versioning for the "time_multiplier" property.

Campbell Barton (campbellbarton) accepted this revision.Jul 29 2016, 4:05 AM

Campbell Barton (campbellbarton) edited edge metadata.

This revision is now accepted and ready to land.Jul 29 2016, 4:05 AM

Lukas Tönne (lukastoenne) added a subscriber: Lukas Tönne (lukastoenne).Jul 29 2016, 9:31 AM

Lukas Tönne (lukastoenne) added inline comments.

source/blender/blenloader/intern/versioning_270.c
1241	ClothModifierData is also used as part of the ParticleSystem struct for handling hair dynamics. I guess you also need to init the multiplier there to avoid breaking hair sims. https://developer.blender.org/diffusion/B/browse/master/source/blender/makesdna/DNA_particle_types.h$283

Lukas Tönne (lukastoenne) requested changes to this revision.Jul 29 2016, 9:31 AM

Lukas Tönne (lukastoenne) added a reviewer: Lukas Tönne (lukastoenne).

This revision now requires changes to proceed.Jul 29 2016, 9:31 AM

Added versioning of the time_multiplier property in particles.

Campbell Barton (campbellbarton) mentioned this in rB362b3bbe58ae: Cloth Simulation: add time scale property.Jul 30 2016, 7:14 AM

Committed rB362b3bbe58ae378d5e154dd1a27d55d913594a1a

Campbell Barton (campbellbarton) accepted this revision.Jul 30 2016, 7:16 AM

Campbell Barton (campbellbarton) abandoned this revision.

Alexander Gavrilov (angavrilov) mentioned this in D2131: Document new minor physics features..Jul 31 2016, 8:21 PM

Revision Contents
Changeset List

Path

Size

release/

scripts/

startup/

bl_ui/

properties_physics_cloth.py

5 lines

source/

blender/

blenkernel/

intern/

3 lines

blenloader/

intern/

versioning_270.c

19 lines

makesdna/

DNA_cloth_types.h

2 lines

makesrna/

intern/

7 lines

physics/

intern/

BPH_mass_spring.cpp

8 lines

Diff 7136

release/scripts/startup/bl_ui/properties_physics_cloth.py

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source/blender/blenkernel/intern/cloth.c

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source/blender/blenloader/intern/versioning_270.c

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source/blender/makesdna/DNA_cloth_types.h

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source/blender/makesrna/intern/rna_cloth.c

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source/blender/physics/intern/BPH_mass_spring.cpp

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